Ala. Code § 41-4-86

Upon the receipt of the estimates of expenditure requirements called for by Section 41-4-84 and the preparation of the estimates of income called for by Section 41-4-85, and not later than the first day of the second month preceding each regular business session of the Legislature, the Department of Finance shall prepare a tentative budget conforming as to scope, contents and character to the requirements of Section 41-4-83, and containing the estimates of expenditure and revenue called for by Sections 41-4-84 and 41-4-85, which tentative budget shall be transmitted to the Governor. All facts relating to past receipts and expenditures shall be certified as correct and accurate by the Comptroller in the Department of Finance.